On Mon, Nov 02, 2009 at 02:05:01PM +0000, Simon Marlow wrote: > You need array 0.3.0.0 which comes with GHC 6.12rc1, but is > (probably) not on Hackage yet. No it isn't: array-0.3.0.0 will be defined by what's released in GHC 6.12.